export function getFileSize(fileByte) {
  var fileSizeByte = fileByte;
  var fileSizeMsg = "";
  if (fileSizeByte < 1048576)
    fileSizeMsg = (fileSizeByte / 1024).toFixed(2) + "KB";
  else if (fileSizeByte === 1048576) fileSizeMsg = "1MB";
  else if (fileSizeByte > 1048576 && fileSizeByte < 1073741824)
    fileSizeMsg = (fileSizeByte / (1024 * 1024)).toFixed(2) + "MB";
  else if (fileSizeByte > 1048576 && fileSizeByte == 1073741824)
    fileSizeMsg = "1GB";
  else if (fileSizeByte > 1073741824 && fileSizeByte < 1099511627776)
    fileSizeMsg = (fileSizeByte / (1024 * 1024 * 1024)).toFixed(2) + "GB";
  else fileSizeMsg = "文件超过1TB";
  return fileSizeMsg;
}
